Results 141 to 150 of about 258 (154)
Multiple NORs in Bryconamericus aff. exodon (Osteichthyes, Characidae, Tetragonopterinae) [PDF]
Hereditas, 2002 Fifteen examples of Bryconamericus aff. exodon from the Três Bocas stream in the basin of the Tibagi river (Parana, Brazil) were analyzed. They presented a diploid number of 52 chromosomes. Multiple NORS were detected by silver nitrate impregnation in the telomeric region on the short or long arm of different chromosomes, showing a variation from 2 to ...
Ana Lúcia Dias
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Journal of Fish Biology, 2023
AbstractThe lectotype specimen of Bryconamericus rubropictus (Berg) and its designation have remained imprecisely documented since its publication. The lack of a photograph or an unambiguous illustration, correct size, inaccurate labelling, and proper specimen separation has led to an uncertainty about the identity and nomenclatural status of the ...
James A. Vanegas‐Ríos +1 more
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AbstractThe lectotype specimen of Bryconamericus rubropictus (Berg) and its designation have remained imprecisely documented since its publication. The lack of a photograph or an unambiguous illustration, correct size, inaccurate labelling, and proper specimen separation has led to an uncertainty about the identity and nomenclatural status of the ...
James A. Vanegas‐Ríos +1 more
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International Journal of Morphology, 2010 Se estudian, bajo condiciones de laboratorio, los estadios tempranos de desarrollo en Bryconamericus caucanus. Hembras maduras (peso promedio de 8,12g) recibieron dos dosis intraperitoneales de extracto de hipofisis de carpa (1a dosis de 0,5 mg/Kg en la hora cero y 2 dosis de 5 mg/Kg en la hora 12).
Martha Olivera-Angel, Andres Montoya
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Recovery of Escherichia coli in fresh water fish, Jenynsia multidentata and Bryconamericus iheringi
Water Research, 2004Escherichia coli concentration was determined in digestive tract and muscle of Jenynsia multidentata and Bryconamericus iheringi through bioassays. Field experiments were also conducted with J. multidentata collected in the Suquía River, Córdoba, Argentina. E.
María Cecilia, Guzmán +3 more
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Population aspects of Bryconamericus stramineus in streams of the upper Paraná River basin, Brazil
Biota Neotropica, 2011Lilian Vasconcelos +2 more
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